.container{
    width: 1200px;
    margin: 0 auto;
}

a{
    text-decoration: none;
}

*{
    margin: 0;
    padding: 0;
}

ul,ol{
    list-style: none;
}
.clearfix::after{
    content: "";
    display: block;
    clear: both;
}
img{
    vertical-align: middle;
}

.fl{
    float: left;
}

.fr{
    float: right;
}